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WO2018128551A1 - Système de réparation de béton - Google Patents

Système de réparation de béton Download PDF

Info

Publication number
WO2018128551A1
WO2018128551A1 PCT/NZ2017/050169 NZ2017050169W WO2018128551A1 WO 2018128551 A1 WO2018128551 A1 WO 2018128551A1 NZ 2017050169 W NZ2017050169 W NZ 2017050169W WO 2018128551 A1 WO2018128551 A1 WO 2018128551A1
Authority
WO
WIPO (PCT)
Prior art keywords
static mixer
tubular member
resin
rubber gasket
cartridge
Prior art date
Application number
PCT/NZ2017/050169
Other languages
English (en)
Inventor
Mark GEBBIE
Original Assignee
Gebbie Tech Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gebbie Tech Limited filed Critical Gebbie Tech Limited
Publication of WO2018128551A1 publication Critical patent/WO2018128551A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0203—Arrangements for filling cracks or cavities in building constructions
    • E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging

Definitions

  • This invention relates to a repair of cementitious structures, particularly to a system for repairing holes, damage and vertical, horizontal and diagonal cracks to vertical or near vertical concrete walls.
  • the applicant's system does not require ball packers etc and injects the resin directly into a prepared crack.
  • a rigid tubular member is adapted to fit over a static mixer of a cartridge, which prevents the static mixer from bending or being distorted when resin is being injected under pressure.
  • the rigid tubular member may be constructed from any suitable rigid material such as steel or the like. It could also be adapted to fit over the static mixer by inserts at either end thereof.
  • a rubber gasket adapted for insertion on the end of a static mixer of a resin cartridge is applied.
  • This gasket rests firmly on a rigid tubular member on the static mixer so pressure is maintained to provide a seal between the static mixer, and concrete without distorting or bending the static mixer when it is used.
  • the rubber gasket may be manufactured with internal or external ribs to provide rigidity. It may be manufactured from polyvinyl chloride or the like material.
  • the rigid tubular member may be straight or curved in shape.
  • the curvature of the stiffener may vary between about 60 and 100 degrees. More preferably the curvature range is 60-80 degrees and more preferably is about 80 degrees.
  • the length of the stiffener is at least partly determined by the length of the static mixer.
  • the curved or arched stiffener is designed for spaces where the straight stiffener cannot fit. This may either be for tight corners and/or where there is an obstruction such as, for example, warehouse shelving.
  • the method of the applicant's system involves the following process: fitting a two-pot resin cartridge to a skeleton gun; fitting a static mixer head to the resin cartridge in the skeleton gun; fitting a rigid tube over the static mixer to provide rigidity thereto; fitting a rubber gasket on the static mixer that extends past the rigid tube; pressing the rubber gasket to the hole, crack or damage; injecting under pressure the two-pot resin through the static mixer and rubber gasket to thereby fill the hole, crack or damage; the exposed resin in the hole, crack or damage is sealed by wax while the resin sets or hardens.
  • the invention also provides a system for the injection of resin into cracks in concrete in walls comprising a rigid tubular member adapted to enclose a static mixer and including an insert at each of its free ends, and wherein a first end of the member includes a rubber gasket allowing for injection of high penetration two-part hybrid urethane to form a tough instant polymer concrete
  • Figure 1 is a photograph of an example of a rubber gasket fitted to a tubular member usable in accordance with the invention fitted to a static mixer
  • Figure 2 is a photograph of the static mixer and tubular member shown in Figure 1 before the rubber gasket is fitted;
  • Figure 3 is a photograph showing from the side part of a static mixer and showing from end on the inserts for the tubular member, rubber gasket and the tubular member;
  • Figure 4 is a section on an enlarged scale through a rubber gasket
  • Figure 5 is an end view to scale of the rubber gasket shown in Figure 4;
  • Figure 6 is a technical drawing of a rigid tubular member according to a first
  • Figure 7 is a rigid tubular member according to a second embodiment of the invention. It is arced in shape.
  • FIG. 1 shows a typical static mixer (1) adapted to be fitted to a two-component resin cartridge, such as urethane, which is not shown.
  • the invention requires the use of a rigid tubular member (2) Figure 1 the length of which is generally slightly less than that of the static mixer (1).
  • the rigid tubular member is preferably manufactured from steel or a similar rigid material.
  • the tubular metal member (2) has at each end inserts (3 and 3') which are of a complementary shape to that of the external shape of the static mixer (2).
  • the tubular member (2) has fitted to its free end (4) a rubber gasket (5), an example of which is shown in Figures 2 and 3.
  • the rubber gasket (5) has a bore (6) which is dimensioned to engage with the end (7) of the static mixer (1).
  • the rubber gasket (5) may be manufactured by injection moulding and is shown with internal ribs (8) to provide a degree of rigidity. It is to be
  • strengthening ribs may be external if preferred.
  • the gasket (5) is manufactured from a synthetic plastic polymer such as polyvinyl chloride (PVC) or a similar material having the properties of PVC.
  • PVC polyvinyl chloride
  • a skeleton gun and a resin cartridge (not shown) with a static mixer (1) fitted thereto and with a rigid tubular member (2) and rubber gasket (5) is used to inject resin under pressures typically up to 60 psi into a hole or crack.
  • a static mixer (1) fitted thereto and with a rigid tubular member (2) and rubber gasket (5) is used to inject resin under pressures typically up to 60 psi into a hole or crack.
  • the exposed sections of crack are small in size and are preferably of a size which can be covered by the face of the rubber gasket (5) so that when the crack is to be filled, the exposed section is covered, and the injected resin inserted.
  • the injected resin is visible as it migrates in the crack in adjacent exposed sections along the length of the crack.
  • the viscosity of the resin is such that where it is exposed it should be sealed by wax while it sets.
  • Figures 6 and 7 show technical drawings of the present invention.
  • Figure 7 shows a variation of the present invention in that the rigid tubular member (2) is in the shape of an arc.
  • the rigid member is also designed to fit over a tubular static mixer (9) and it includes a rubber gasket (10) as per the first embodiment.
  • the rigid tubular member according to the second embodiment has an arc of about 68° and a length of abut 120mm. However, this can be varied according to the size and shape of the static mixer.
  • the overall length of the tubular insert in both the straight and arced versions is about 153mm.
  • the arced rigid tubular member is designed for spaces where the straight stiffener cannot fit. This is either for tight corners and/or where there is an obstruction such as for example, warehouse shelving.
  • Roadware Ten Minute MenderTM which is a high penetration two-part hybrid urethane to form a tough instant polymer concrete.
  • This thinner than water formula is designed for MicrodowelingTM deep into the host concrete, creating extremely high bond strengths, reinforcement of the repair area as well as permanent repairs. It produces concrete repairs that absorb the shock and transfers the load without cracking or dis-bonding. It is chemically resistant and can be applied at a wide range of temperatures. It is to be appreciated however that the present invention can be used with other products such as LV epoxy, etc. with other sealing rubbers and/ or the rubber gasket even though this can require a minimum of two days to cure.
  • Some cartridges may have congealment. Use the nail to remove any congealment that has gathered at the surface of the cartridge. 4. Rip off approximately 2 inches of thread tape and place this across the join of the two cartridges, to prevent leakages when it is under pressure.
  • injections should always be completed from the lowest point, working upwards. You do this to ensure penetration to the back of the wall. If this is not completed, you may have voids, which would compromise the repair of the wall.
  • This invention provides a system for repairing and maintaining holes, cracks or damage in concrete walls.
  • the invention provides a system for repairing cracks and the like in concrete walls.
  • the invention describes a rigid tubular member that is adapted to fit over a static mixer of a cartridge.
  • the rigid member prevents that static mixer from being or being distorted when resin is being injected under pressure into the crack to be repaired.
  • the rigid tubular member may be straight or curved in shape. It includes a rubber gasket adapted for insertion on the end of a static mixer of a resin cartridge. The gasket rests firmly on the rigid tubular member on the mixer so pressure is maintained to provide a seal between the static mixer and concrete without distorting or bending the mixer as it is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

Cette invention concerne un élément tubulaire rigide destiné à être utilisé dans un système de réparation de fissures et analogues dans des structures en béton, en particulier des murs en béton. Plus particulièrement, l'invention concerne un élément tubulaire rigide qui est conçu pour s'adapter sur un mélangeur statique d'une cartouche. L'élément rigide empêche le mélangeur statique d'être déformé lorsqu'une résine est injectée sous pression dans la fissure à réparer. L'élément tubulaire rigide peut être droit ou incurvé. Il comprend un joint en caoutchouc conçu pour être inséré à l'extrémité d'un mélangeur statique d'une cartouche de résine. Le joint repose fermement sur l'élément tubulaire rigide sur le mélangeur, de telle sorte qu'une pression est maintenue pour former un joint d'étanchéité entre le mélangeur statique et le béton sans déformer ou courber le mélangeur lorsqu'il est utilisé.
PCT/NZ2017/050169 2017-01-09 2017-12-21 Système de réparation de béton WO2018128551A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ72813517 2017-01-09
NZ728135 2017-01-09

Publications (1)

Publication Number Publication Date
WO2018128551A1 true WO2018128551A1 (fr) 2018-07-12

Family

ID=62790816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2017/050169 WO2018128551A1 (fr) 2017-01-09 2017-12-21 Système de réparation de béton

Country Status (1)

Country Link
WO (1) WO2018128551A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228501A1 (de) * 1992-09-01 1994-03-03 Mueller Michaela Injektionssystem zum Einpressen von Injektageflüssigkeit in Baustoffstrukturen und technische Formteile
US20030019953A1 (en) * 2001-07-27 2003-01-30 Hunter Jack H. Air-assisted, low pressure spray equipment having an improved spray nozzle
US20030136859A1 (en) * 2002-01-18 2003-07-24 3M Innovative Properties Company Method of applying two-component pavement markings and apparatus
JP2007113364A (ja) * 2005-10-24 2007-05-10 Kawata:Kk アスベスト無害化工法
DE102006055848A1 (de) * 2006-11-27 2008-06-05 Köster Bauchemie AG Verfahren zum Verfüllen von Rissen, Hohlräumen und dergleichen in einem Bauteil, insbesondere einer Wand, einem Boden oder einer Decke eines Gebäudes, oder zwischen Bauteilen sowie ein für dieses Verfahren verwendbarer Injektionseinsatz
US20130025699A1 (en) * 2009-12-29 2013-01-31 Kimco Pte Inc. Resin distributor, reservoir bag to be used therewith, vehicle provided with such a system, kit for assembling the same, and methods of assembling and of operating associated thereto

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228501A1 (de) * 1992-09-01 1994-03-03 Mueller Michaela Injektionssystem zum Einpressen von Injektageflüssigkeit in Baustoffstrukturen und technische Formteile
US20030019953A1 (en) * 2001-07-27 2003-01-30 Hunter Jack H. Air-assisted, low pressure spray equipment having an improved spray nozzle
US20030136859A1 (en) * 2002-01-18 2003-07-24 3M Innovative Properties Company Method of applying two-component pavement markings and apparatus
JP2007113364A (ja) * 2005-10-24 2007-05-10 Kawata:Kk アスベスト無害化工法
DE102006055848A1 (de) * 2006-11-27 2008-06-05 Köster Bauchemie AG Verfahren zum Verfüllen von Rissen, Hohlräumen und dergleichen in einem Bauteil, insbesondere einer Wand, einem Boden oder einer Decke eines Gebäudes, oder zwischen Bauteilen sowie ein für dieses Verfahren verwendbarer Injektionseinsatz
US20130025699A1 (en) * 2009-12-29 2013-01-31 Kimco Pte Inc. Resin distributor, reservoir bag to be used therewith, vehicle provided with such a system, kit for assembling the same, and methods of assembling and of operating associated thereto

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Statomix Static Mixer", AP PLASTICS LLC, 4 August 2016 (2016-08-04), XP055518310, Retrieved from the Internet <URL:https://web.archive.org/web/20160804043124/http://mixpacstatomix.com/sm-shrouds.php> [retrieved on 20180322] *

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